cheap End the run ice with a dual purpose? sign me up !
Descent is essentially weyland's mini Spin Doctor, cant be used at instant speed but can also help deal with agenda/swamped hands ! this should not be seen as a replacement to our good little doctor of spins but as a nice addition to it.
the ability to bounce it back to HQ lets you not have to choose between its uses unlike its compatriot Tree Line, AND counters Arissana Rocha Nahu: Street Artist or other trojan heavy decks, not preventing itself from being bypassed, but providing an easy instant speed trash of the hosted program :3